List the following elements in order of Increasing Electronegativity (least to greatest) B, O, N, C, F

Why is carbon ideal for making different compounds?

How is the way a mixture is combined different from how a compound is combined?

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals